"I now lift this pen to sign this Americans with Act and say let the shameful wall of exclusion finally come tumbling down."

VOA: special.2010.07.28

That's four items. Show up, sit down, and the first question is does anybody have a pen?

总共4件东西，你们来到，坐下，第一个问题是你们有带铅笔吗？

麻省理工公开课 - 固态化学导论课程节选

Now, if you guys are using your computer or you have a pen, I'd just like you to write down what your estimates are of a few foods I'll show you and see what you say.

使用你们的电脑,或者拿起支笔,请写下对以下我展示的一些食物,卡路里的估测,让我们看看结果

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选